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Operation
Calibration
Adjust NO and NO
Background
3-24
42iQHL Instruction Manual
The Adjust NO and NO
x
instrument zero background. Before making an adjustment, be sure the
analyzer samples zero air for at least 5 minutes.
It is important to note the averaging time when calibrating. The longer the
averaging time the more precise the calibration results. To achieve
maximum precision, allow the instrument to stabilize each time input gas is
changed and set the averaging time to 300-second averaging.
Home Screen>Calibration> Advanced Calibration>Manual
Calibration>Adjust Backgrounds>Adjust NO Background
Home Screen>Calibration>Advanced Calibration>Manual
Calibration>Adjust Backgrounds>Adjust NO
The Adjust NO and NO
information:
Adjust NO Background: User manually adjusts zero NO background.
●
Adjusted NO Concentration: Read only. Displays what the NO
●
concentration value will become when the calibrate button is pressed.
Background screens are used to adjust the
x
Background screens contain the following
x
Background
x
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